天津市番茄黄化曲叶病毒病的发生与防治-天津农业科学 关键词:番茄黄化曲叶病毒;发生情况;防治 [gap=727]Key words: Tomato Yellow Leaf Curl Virus;occurrence dynamics; control measures
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Therefore, the primary infection sources,occurrence dynamics and control with fungicide for maize Curvularia leaf spot were studied. The results are as follows:1, The conidia adhering to seeds and mycilia in infected seeds could overwinter successfully and infect the maize.
因此，本研究主要针对四川雅安生态条件，对玉米弯孢菌叶斑病的初侵染源、发生动态和药剂防治进行了深入的研究。
参考来源 - 玉米弯孢菌叶斑病初侵染源、发生动态和药剂防治的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Obtained Stress, displacement variation of oil drill through the analysis of transient dynamics, Point to the occurrence of failure to provide the theoretical basis for simulation.
通过瞬态动力学分析得到钻柱在瞬态冲击下的应力、位移变化规律，为故障的发生点提供理论仿真依据。
The thermo dynamics mechanism of water and salt transportation in the salined wetland during the freezing and thawing period is substantial to the geographical occurrence mechanism of salinized soil.
冻融期间盐沼湿地水盐迁移的热力学机制是松嫩平原土壤盐化发生机制的重要组成部分。
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